Skip Navigation

Image Gallery

The Zygote

6 hours

From The Biology of Prenatal Development.Buy Now

Label Key:

  • 1. polar body
  • 2. perivitelline space or subzonal space
  • 3. zona pellucida
  • 4. cell membrane

All ages referenced to fertilization, not last menstrual period.
Hide Labels | Larger | Play Movie #222
Create your own Slideshow
The Zygote
The Zygote
Two-Cell Human Embryo
Two-Cell Human Embryo
Two-Cell Embryo
Two-Cell Embryo
Three-Cell Embryo
Three-Cell Embryo
Four-Cell Human Embryo
Four-Cell Human Embryo
Four-Cell Embryo
Four-Cell Embryo
Previous Set Previous Picture Next Set Next Picture
When does health begin? Find out now.
Buy the Biology of Prenatal Development DVD


Add a Comment

Your Name: Log In 3rd-party login: Facebook     Google     Yahoo

Comment: